Vulnerability · Published Nov 3, 2021 · Assigned by snyk
CVE-2021-23820Prototype Pollution
Medium 5.6
In plain English
A medium-severity security flaw in json-pointer. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.6Medium
Exploit odds (30 days)1.9%top 20.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This affects all versions of package json-pointer. A type confusion vulnerability can lead to a bypass of CVE-2020-7709 when the pointer components are arrays.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | json-pointer | 0.6.2 | GHSA-v5vg-g7rq-363w |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | json-pointer | 0 – before unspecified |
References
- https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577287 x_refsource_MISC
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1910686 x_refsource_MISC
- https://github.com/manuelstofer/json-pointer/blob/master/index.js%23L78 x_refsource_MISC